ASTM D4280-23 PDF
Name in English:
St ASTM D4280-23
Name in Russian:
Ст ASTM D4280-23
Original standard ASTM D4280-23 in PDF full version. Additional info + preview on request
Full title and description
Standard Specification for Extended Life Type, Nonplowable, Raised Retroreflective Pavement Markers — ASTM D4280:23. This specification defines construction, performance and physical-property requirements for extended-life, nonplowable, raised pavement markers used for nighttime lane marking and roadway delineation.
Abstract
ASTM D4280-23 establishes minimum photometric (retroreflectivity) and mechanical requirements for prismatic/molded raised pavement markers designed to provide long-life nighttime visibility without being plowable. The standard specifies material types, color/chromaticity, coefficient of luminous intensity, and required tests such as flexural and compressive strength, abrasion resistance, lens impact and cracking resistance, and temperature‑cycling durability.
General information
- Status: Current / active (latest revision published 2023).
- Publication date: December 1, 2023.
- Publisher: ASTM International (American Society for Testing and Materials).
- ICS / categories: 93.080.20 (Road construction materials; pavement markings).
- Edition / version: D4280:23 (2023 revision).
- Number of pages: Approximately 7–9 pages (publisher formatting varies).
Scope
This specification covers extended-life type, nonplowable, raised retroreflective pavement markers intended for nighttime lane marking and delineation. It sets requirements for marker construction (prismatic/molded lenses, housing), photometric performance (coefficient of luminous intensity and chromaticity), and physical/mechanical properties including flexural strength, compressive strength, abrasion resistance, lens impact strength, resistance to lens cracking and temperature cycling. It is intended for markers that remain on the pavement surface and are not designed to be plowed by snow‑removal equipment.
Key topics and requirements
- Marker types: extended-life, nonplowable, prismatic/molded retroreflective markers.
- Photometric requirements: minimum retroreflectivity (coefficient of luminous intensity) and chromaticity (CIE coordinates).
- Construction materials: prismatic lenses (often methyl methacrylate or similar), protected reflective elements and durable housings.
- Mechanical tests: flexural strength, compressive strength, and lens impact strength.
- Durability tests: abrasion resistance, resistance to lens cracking, and temperature‑cycling performance.
- Color and marking: specification of white/yellow (and two-way options) colors and surface/finish conditions.
- Acceptance and inspection: factory and field testing protocols to verify conformance with specified values.
Typical use and users
Used by transportation agencies (state/provincial DOTs), municipal roadway authorities, roadway marker manufacturers, product test laboratories, contractors and procurement teams specifying long‑life raised pavement markers for highways and local streets. Typical applications include lane delineation, centerline and edge-of-road marking where nonplowable markers are acceptable.
Related standards
Related documents commonly used with ASTM D4280 include ASTM E1696 (field measurement of raised retroreflective pavement markers), ASTM D788 (material classification referenced for methyl methacrylate), MUTCD guidance and various national/regional road marking specifications (and some EN standards such as EN 1463 for retroreflective materials). These referenced standards inform test methods, photometric measurement practice and material classifications used in D4280 test clauses.
Keywords
raised pavement marker; retroreflective; prismatic marker; nonplowable; extended life; retroreflectivity; pavement delineation; lens impact strength; abrasion resistance; ASTM D4280
FAQ
Q: What is this standard?
A: ASTM D4280-23 is the ASTM International specification for extended‑life, nonplowable, raised retroreflective pavement markers that sets construction, photometric and mechanical performance requirements for nighttime lane marking and delineation.
Q: What does it cover?
A: It covers marker types, acceptable materials and construction, required photometric performance (retroreflectivity and color), and physical/durability tests such as flexural/compressive strength, abrasion, lens impact and temperature cycling.
Q: Who typically uses it?
A: State and municipal DOTs, highway contractors, manufacturers of raised pavement markers, test laboratories, procurement/specification writers and road‑safety engineers.
Q: Is it current or superseded?
A: The 2023 revision (D4280:23) is the current ASTM revision published December 1, 2023; it replaces earlier editions (for example D4280:18).
Q: Is it part of a series?
A: D4280 is a standalone specification specific to extended‑life nonplowable raised pavement markers but is often used alongside related ASTM and national standards (test methods and material classifications) and is part of the family of pavement‑marking and retroreflective material standards.
Q: What are the key keywords?
A: Raised pavement marker, retroreflective, prismatic lens, nonplowable, extended life, retroreflectivity, pavement delineation, lens impact, abrasion resistance, ASTM D4280.